<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>登陆</title>
</head>
<body>
    <div>
<form action="/login" method="post">
    First name: <input type="text" name="username"><br>
    Last name: <input type="text" name="password"><br>
    <input type="submit" value="提交">
</form>
    </div>
</body>
</html>